ii. Answer the following question.
a) What is meant by corrosion?
b) Write names of any two methods of prevention of corrosion.
c) In which method, metal like copper, aluminium are coated with a thin layer of their oxides by means of electrolysis.
d) Explain this method with diagram.
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when the metal reacts with oxygen in air , a layer of rusting is coated which is reddish brown in colour is called corrosion.
it should be preventing by using anti oxides , paints or oils.
it should be preventing by taking care regularly.
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